The suitable relative humidity of laying hens is about 60% in your chicken farm equipment, but the relative humidity is 45%-70%, which has little effect on the performance of laying hens. The humidity in the chicken house is too low or too high, which is harmful to the growth and production performance of the chicken. When the humidity in the house is too low, the air is dry, the feathers of the chicken are disordered, the skin is dry, the amount of drinking water is increased, and the dust in the house is flying, which makes the chickens have respiratory diseases. In this case, you can sprinkle water on the ground, or put the basin and kettle on the stove to evaporate the water to increase the humidity in the chicken house. And maintain your poultry battery cage performance of your farms can also make a big difference.